ALTER TABLE staging.orders RENAME COLUMN "ORDERID" TO order_id; ALTER TABLE staging.orders RENAME COLUMN "BRANCH_ID" TO branch_id; ALTER TABLE staging.orders RENAME COLUMN "DATE_" TO date_timestamp; ...
CREATE TABLE test_t2 (pk INT PRIMARY KEY, label VARCHAR(10), amount DOUBLE, created DATETIME); INSERT INTO test_t1 (id, name, score) VALUES (1, 'Alice', 85); INSERT ...